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If you're looking to kick your driving experience up a notch, the ACT Prolite Flywheel 600555 is a solid choice. This flywheel is lighter than most, which means it’s got the lowest inertia around. What does that mean for you? Better throttle response and quicker acceleration. It’s a favorite among road and rally racers who want that extra edge, though it does come with a bit of a trade-off in drivability. Just keep that in mind if you’re using it for daily driving.
One of the cool things about the Prolite flywheel is how it’s built. The materials are distributed just right to give it maximum strength and heat tolerance. You won’t have to worry about it warping or failing on you because it features a one-piece construction. That means no more annoying loose ring gears or warped inserts—just solid performance. Plus, it’s serviceable, so you can resurface it when needed without having to buy extra parts. That’s a win in my book.
Install Instructions:
- For Instructions CLICK HERE
Features:
- Dramatically improves engine response and acceleration—just be ready for some mild to moderate gear rattle.
- Heat-treated forging gives it strength and toughness, plus induction-hardened ring gears for maximum life.
- One-piece construction means less chance of failure and better heat transfer from the clutch disc.
- Recommended for race use, so you know it’s built to handle some serious action.
- Forged, CNC machined, and dynamically computer balanced for smooth high RPM reliability.
Specifications:
- Material: Chromoly Steel
- SFI Rating: 1.1
- Replaceable Friction Surface: No
- Engine Balance: Internal
- Friction Surface Configuration: Flat
- Type: Prolite
- Mounting Hardware Included: No
- Grade Type: Performance
- Mounting Hole Quantity: 7
- Weight: 10.1 LB
- Tooth Quantity: 114
- Friction Surface Diameter: 9.4 in
- Product Weight (lbs.): 10.1
- SFI: 1.1
Products Fitment:
Mitsubishi Evolution X 2008-2015 600555 ACT XACT Flywheel Prolite.
Other Part Numbers:
ACT #act600555
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2008-2015 Mitsubishi Evolution X |
Evolution X | 2008-2015 |
If you've added boost, tuned for more power, or simply want better throttle control, then your stock clutch won't cut it. That?s where ACT (Advanced Clutch Technology) comes in delivering high-performance clutch kits and flywheels designed for real drivers who push their builds on the street, strip, or track.
ACT?s lineup includes everything from daily driver friendly HD kits to hardcore twin disc setups for serious horsepower. Whether you?re launching hard in a WRX, drifting in a 370Z, or canyon carving in an M3, ACT gives you the torque capacity and engagement you need without sacrificing drivability.
Why ACT? Because Power Without Control Is Useless.- Hold More Power Engineered to handle turbo, supercharger, and high-compression builds
- Faster Engagement Stronger pressure plates for better bite off the line
- Better Pedal Feel Balanced response without going full race-car stiff
- Reduced Rotational Mass Lightweight flywheels improve rev-matching and response
- No Guesswork Direct-fit applications, no fabbing, no hassle
ACT doesn?t just make universal performance parts ? they build complete, vehicle-specific clutch solutions for enthusiast favorites. Whether you daily a Civic Type R, track a Subaru STI, drift a 240SX, or drag a Mustang GT, ACT offers the right clutch to match your build goals.
Top supported platforms include the Nissan 350Z/370Z, Toyota Supra A90, Chevy Camaro SS/ZL1, Mitsubishi Evo, Ford Focus RS/ST, and BMW M3/M4 ? each with clutch options tuned to your driving needs.
What ACT Offers:- Performance Clutch Kits From HD street kits to twin-disc race systems
- Clutch Discs 6-puck, full-face, rigid or sprung to match your style
- Pressure Plates Heavy-duty options that increase clamp load without sacrificing control
- Chromoly Lightweight Flywheels Quicker revs, smoother shifts, and less drivetrain stress
- Complete Hardware Kits Everything you need for a proper install
ACT isn?t hype ? it?s proven. Their clutches are SFI-certified, track-tested, and used by racers in drag, time attack, autocross, drift, and rally. But what really matters? They hold power, last longer, and feel right even after hundreds of hard launches or hours of canyon carving.
Whether you're upgrading for more power or replacing a tired OEM clutch, ACT gives you the bite, strength, and feel to drive harder with confidence. No compromises, no excuses just parts that work when it matters.
ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Written notice must be immediately given to ACT within the warranty period. We require a copy of the purchase receipt showing the unit was purchased from an Authorized Dealer or Advanced Clutch Technology directly to verify the product is under warranty. Products purchased used do not carry a warranty. This warranty is to the original purchaser and is non-transferable. All non-warranty items are subject to a $50 inspection bench test fee.
ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.
ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.
ACT reserves the right to examine any part returned for warranty claim to determine, to ACT's satisfaction, whether the material or workmanship of the part does not conform to this limited warranty. ACT's obligation under this warranty shall be limited to repairing, replacing, or crediting, at its option, any part which is deemed covered by ACT. No labor, lift or storage charges will be reimbursed for any reason. Damage to ACT's parts resulting from misuse, improper use, or abuse shall void this limited warranty. Failure to follow ACT's installation instructions and the vehicle manufacturers installation procedures and specifications shall void this limited warranty.
ACT undertakes no responsibility for the quality of the goods except as otherwise provided in this contract. ACT assumes no responsibility that the goods will be fit for any particular purpose for which you may be buying these goods, except as otherwise provided in the contract. ACT shall not be liable for any damage or injury to persons or property resulting from improper installation or misuse of any part subject to this warranty.
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